Re: [Lsf-pc] [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion

2017-01-15 Thread James Bottomley
On Mon, 2017-01-16 at 11:33 +0800, Guoqing Jiang wrote: > > On 01/10/2017 12:38 AM, Coly Li wrote: > > Hi Folks, > > > > I'd like to propose a general md raid discussion, it is quite > > necessary for most of active md raid developers sit together to > > discuss current challenge of Linux softw

Re: [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion

2017-01-15 Thread Guoqing Jiang
On 01/10/2017 12:38 AM, Coly Li wrote: Hi Folks, I'd like to propose a general md raid discussion, it is quite necessary for most of active md raid developers sit together to discuss current challenge of Linux software raid and development trends. In the last years, we have many development a

Re: [Lsf-pc] [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion

2017-01-12 Thread Coly Li
On 2017/1/12 下午11:09, Sagi Grimberg wrote: > Hey Coly, > >> Also I receive reports from users that raid1 performance is desired when >> it is built on NVMe SSDs as a cache (maybe bcache or dm-cache). I am >> working on some raid1 performance improvement (e.g. new raid1 I/O >> barrier and lockless

Re: [Lsf-pc] [LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion

2017-01-12 Thread Sagi Grimberg
Hey Coly, Also I receive reports from users that raid1 performance is desired when it is built on NVMe SSDs as a cache (maybe bcache or dm-cache). I am working on some raid1 performance improvement (e.g. new raid1 I/O barrier and lockless raid1 I/O submit), and have some more ideas to discuss.

[LSF/MM TOPIC] [LSF/MM ATTEND] md raid general discussion

2017-01-09 Thread Coly Li
Hi Folks, I'd like to propose a general md raid discussion, it is quite necessary for most of active md raid developers sit together to discuss current challenge of Linux software raid and development trends. In the last years, we have many development activities in md raid, e.g. raid5 cache, rai